Measurement and Instrumentation A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be 0.67 A. 0.50 A. 0.25 A. 0.70 A. 0.67 A. 0.50 A. 0.25 A. 0.70 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation 0-150 V voltmeter has an accuracy of 1% of full-scale reading. The voltage measured by the instrument is 75 V. The limiting error is 3% 4% 1% 2% 3% 4% 1% 2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following meters has a linear scale? Thermocouple meter Hot wore meter Moving iron meter Moving coil meter Thermocouple meter Hot wore meter Moving iron meter Moving coil meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a megger controlling torque is provided by Coil Spring Gravity Eddy current Coil Spring Gravity Eddy current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices should be used for accurate measurement of low D.C. voltage? Small range thermocouple voltmeter C. potentiometer Small range moving coil voltmeter None of these Small range thermocouple voltmeter C. potentiometer Small range moving coil voltmeter None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A Manganin swap resistance is connected in series with a moving coil ammeter consisting of a milli ammeter and a suitable shunt in order to Obtaine large deflecting torque. Reduce the size of the meter. Minimize the effect of temperature variation. Minimize the effect of stray magnetic fields. Obtaine large deflecting torque. Reduce the size of the meter. Minimize the effect of temperature variation. Minimize the effect of stray magnetic fields. ANSWER DOWNLOAD EXAMIANS APP
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